this post was submitted on 12 Aug 2024
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Climate - truthful information about climate, related activism and politics.

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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world. About 1C of total warming. Second chart: about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability. Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases. About 0.5C of cooling with large error bars from SO2.

Recommended actions to cut greenhouse gas emissions in the near future:

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Nights in Las Vegas Are Becoming Dangerously Hot (www.nytimes.com)
submitted 2 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] primrosepathspeedrun@lemmy.world 2 points 2 months ago (2 children)

huh. I was just looking at air conditioners being really inefficient and it being really hard to keep a thing cool passively because all the stuff we do/have makes heat nowadays.

[–] dingdongmetacarples@lemmy.world 1 points 2 months ago (1 children)

It's easy to passively cool things, as long as you're okay getting them wet :)

[–] primrosepathspeedrun@lemmy.world 1 points 2 months ago

me? yes. my living space? less.

[–] SkyeStarfall@lemmy.blahaj.zone 1 points 2 months ago (1 children)

On the other hand, ACs are heat pumps, which are generally efficient for transferring heat energy (both to warm and cool)

[–] primrosepathspeedrun@lemmy.world 1 points 2 months ago

heat pumps are extremely cool.